From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2B9A42DE6FC; Thu, 3 Jul 2025 06:07:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751522848; cv=none; b=Vof/lxgk/NBOKTcY3RZjYYT024aQg6PCOPClKyhLDrggBbYayUomUh8qlUEc7nwLYegEleEvStwriB2cad1Uqt9rgHak4Yi8s1YRm6x8KhibFKSFaefGRrN3UK3zjBM1yam6ICdVGxLp+h3N5x1PILtviliiQM78+aS/8TOdvdM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751522848; c=relaxed/simple; bh=XsgDTHcbSlmeQChwCzbs2AReVe7lCNdaxsr0q+t/2oU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=f6w7de7JoiiIL2tAGYxNJTOAQtWRat6aMxceC5pAn9vdRSM9n6UwZ2iu9s2U+tywAwCcILrNEOFcETiRZrsq9oQ/UWmXOWedDrq7sufOrC58DW3CSDXXeV62qG/tsV/QI5v2LtKIzsGUFS6P+bTjcRhjfkWepomp3UAExgh7gUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=mJ8tID+X; arc=none smtp.client-ip=148.163.156.1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="mJ8tID+X" Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5630THLw017214; Thu, 3 Jul 2025 06:07:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=pp1; bh=/pMWTm8f8FZgAt9g8Eu/ILN53nm+DEE9jHHb93yqR d0=; b=mJ8tID+XZD4xa35IcnEejVwLnPg1HxSVBWunwBFYQWNn/WqPOMeBJ0iGt 0k9YdPnoXsNNCjpYdMnedSM4gByhdLNr8OejiUGc9GvYFxOQT2ouFZX9c2pE2nbZ HG5vTRiW9k+G9jXsj6DJhvYfAq07aDbhQ/98QAdEcyD2MyH/i0jmCXe8UtVOh2lL Dqw8R/LwVf30G/gqpqwoD0+qU/n/2QC1wZZ+hJirm3JFBlFL8ZghcNUAJMcgqaRr NxKdiu0bHoy96RSfQk+e/oMu6dSvzz4q+6eNUQetMeSlQe1fdmz5oG06TeYqlyQ0 SZxfPOCUiUxPuxkuWDddx8q5b5pGQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 47j84dhte4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Jul 2025 06:07:11 +0000 (GMT) Received: from m0356517.ppops.net (m0356517.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 56366fsn025629; Thu, 3 Jul 2025 06:07:10 GMT Received: from ppma21.wdc07v.mail.ibm.com (5b.69.3da9.ip4.static.sl-reverse.com [169.61.105.91]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 47j84dhte1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Jul 2025 06:07:10 +0000 (GMT) Received: from pps.filterd (ppma21.wdc07v.mail.ibm.com [127.0.0.1]) by ppma21.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 56366HOh021934; Thu, 3 Jul 2025 06:07:09 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 47juqpuam8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Jul 2025 06:07:09 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 563675Jo44106028 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 3 Jul 2025 06:07:05 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6C1352004B; Thu, 3 Jul 2025 06:07:05 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 206A720040; Thu, 3 Jul 2025 06:06:59 +0000 (GMT) Received: from aboo.ibm.com.com (unknown [9.39.26.205]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 3 Jul 2025 06:06:58 +0000 (GMT) From: Aboorva Devarajan To: akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, shuah@kernel.org, pfalcato@suse.de, david@redhat.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, donettom@linux.ibm.com, ritesh.list@gmail.com, aboorvad@linux.ibm.com Subject: [PATCH v2 0/7] selftests/mm: Fix false positives and skip unsupported tests Date: Thu, 3 Jul 2025 11:36:49 +0530 Message-ID: <20250703060656.54345-1-aboorvad@linux.ibm.com> X-Mailer: git-send-email 2.50.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 8Hu9LyLRjwpLLDRkQebWrbLMsNEpGni9 X-Proofpoint-GUID: U3JNq0F97USW9t6aRqiOWSDzw5Mxr1-t X-Authority-Analysis: v=2.4 cv=Ib6HWXqa c=1 sm=1 tr=0 ts=68661e0f cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=c5YA-QwSPcc6PC69QzEA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzAzMDA0NCBTYWx0ZWRfX0dDupjziPlRO 7wV7gvl88Fm9Gn9o5WD2NqTGjU3+zXQileHjlI4Jg3R7iyrEV9Su+W2s2RyMlC6upNBjjeTcHqO 3/inT8WffvSV8lMeJjdOqosU+la1Pst20p4Z35zWWmVGjgoAqG61K6qsCl+DglgAe2LlXaz7pe9 4JsrVbu6BnRaFwF7dTjtAd8glk0km7IJdioskTxvyVYS1Yik8RfE97br4twCUBxODfF2oIrvIIg NJnGGtE6ToJDDFiFvqMvFCvvzgayttmk5MdP/K7knX88sntszEKA8mTKeWveJFTy30VvtH8LwCZ VRnZRBhr0hzip5sd4cu8Nr+cTLXM8R/yZ6+XPINRPcfdkYOghK36KzN1Uq2iJWj8eYyg0o8L/Nq +nMEhUVTHVmS6FL1wXwd0tnrWm5yh8iTvKofPEETMWyYfqIajgI/kFNoRB4hD9VeE/NYskLY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-03_01,2025-07-02_04,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 clxscore=1015 mlxlogscore=999 lowpriorityscore=0 impostorscore=0 mlxscore=0 malwarescore=0 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507030044 Hi all, This patch series addresses false positives in the generic mm selftests and skips tests that cannot run correctly due to missing features or system limitations. --- v1: https://lore.kernel.org/all/20250616160632.35250-1-aboorvad@linux.ibm.com/ Changes in v2: - Rebased onto the mm-new branch, top commit of the base is 3b4a8ad89f7e ("mm: add zblock allocator"). - Split some patches for clarity. - Updated virtual_address_range test to support testing 4PB VA on PPC64. - Added proper Fixes: tags. - Included a patch to skip a failing userfaultfd test when unsupported, instead of reporting a failure. --- Please let us know if you have any further comments. Thanks, Aboorva Aboorva Devarajan (3): selftests/mm: Fix child process exit codes in ksm_functional_tests selftests/mm: Skip thuge-gen if shmmax is too small or no 1G huge pages selftests/mm: Skip hugepage-mremap test if userfaultfd unavailable Donet Tom (4): mm/selftests: Fix incorrect pointer being passed to mark_range() selftests/mm: Add support to test 4PB VA on PPC64 selftest/mm: Fix ksm_funtional_test failures mm/selftests: Fix split_huge_page_test failure on systems with 64KB page size tools/testing/selftests/mm/hugepage-mremap.c | 16 ++++++++++--- .../selftests/mm/ksm_functional_tests.c | 24 +++++++++++++------ .../selftests/mm/split_huge_page_test.c | 23 +++++++++++++----- tools/testing/selftests/mm/thuge-gen.c | 11 +++++---- .../selftests/mm/virtual_address_range.c | 8 ++++++- 5 files changed, 61 insertions(+), 21 deletions(-) -- 2.43.5